Ext.regModel('ROS', {
    fields: [
        // Portable Contacts Singular fields
        { name: 'id', type: 'string' },
        { name: 'ui', type: 'string' },
        { name: 'titlephone', type: 'string' },
        { name: 'titlepc', type: 'string' },
    ],

    // Plural fields
    hasMany: [
        { model: 'ROS_item', name: 'ros_item' },
    ]
});